tools/perf/ui/gtk/annotate.c

   1 #include "gtk.h"
   2 #include "util/debug.h"
   3 #include "util/annotate.h"
   4 #include "util/evsel.h"
   5 #include "ui/helpline.h"
   6 #include <inttypes.h>
   7 #include <signal.h>
   8
   9 enum {
  10         ANN_COL__PERCENT,
  11         ANN_COL__OFFSET,
  12         ANN_COL__LINE,
  13
  14         MAX_ANN_COLS
  15 };
  16
  17 static const char *const col_names[] = {
  18         "Overhead",
  19         "Offset",
  20         "Line"
  21 };
  22
  23 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  24                                  struct disasm_line *dl, int evidx)
  25 {
  26         struct sym_hist *symhist;
  27         double percent = 0.0;
  28         const char *markup;
  29         int ret = 0;
  30
  31         strcpy(buf, "");
  32
  33         if (dl->offset == (s64) -1)
  34                 return 0;
  35
  36         symhist = annotation__histogram(symbol__annotation(sym), evidx);
  37         if (!symbol_conf.event_group && !symhist->addr[dl->offset])
  38                 return 0;
  39
  40         percent = 100.0 * symhist->addr[dl->offset] / symhist->sum;
  41
  42         markup = perf_gtk__get_percent_color(percent);
  43         if (markup)
  44                 ret += scnprintf(buf, size, "%s", markup);
  45         ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  46         if (markup)
  47                 ret += scnprintf(buf + ret, size - ret, "</span>");
  48
  49         return ret;
  50 }
  51
  52 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  53                                 struct map *map, struct disasm_line *dl)
  54 {
  55         u64 start = map__rip_2objdump(map, sym->start);
  56
  57         strcpy(buf, "");
  58
  59         if (dl->offset == (s64) -1)
  60                 return 0;
  61
  62         return scnprintf(buf, size, "%"PRIx64, start + dl->offset);
  63 }
  64
  65 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  66 {
  67         int ret = 0;
  68         char *line = g_markup_escape_text(dl->line, -1);
  69         const char *markup = "<span fgcolor='gray'>";
  70
  71         strcpy(buf, "");
  72
  73         if (!line)
  74                 return 0;
  75
  76         if (dl->offset != (s64) -1)
  77                 markup = NULL;
  78
  79         if (markup)
  80                 ret += scnprintf(buf, size, "%s", markup);
  81         ret += scnprintf(buf + ret, size - ret, "%s", line);
  82         if (markup)
  83                 ret += scnprintf(buf + ret, size - ret, "</span>");
  84
  85         g_free(line);
  86         return ret;
  87 }
  88
  89 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  90                                 struct map *map, struct perf_evsel *evsel,
  91                                 struct hist_browser_timer *hbt __maybe_unused)
  92 {
  93         struct disasm_line *pos, *n;
  94         struct annotation *notes;
  95         GType col_types[MAX_ANN_COLS];
  96         GtkCellRenderer *renderer;
  97         GtkListStore *store;
  98         GtkWidget *view;
  99         int i;
 100         char s[512];
 101
 102         notes = symbol__annotation(sym);
 103
 104         for (i = 0; i < MAX_ANN_COLS; i++) {
 105                 col_types[i] = G_TYPE_STRING;
 106         }
 107         store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 108
 109         view = gtk_tree_view_new();
 110         renderer = gtk_cell_renderer_text_new();
 111
 112         for (i = 0; i < MAX_ANN_COLS; i++) {
 113                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 114                                         -1, col_names[i], renderer, "markup",
 115                                         i, NULL);
 116         }
 117
 118         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 119         g_object_unref(GTK_TREE_MODEL(store));
 120
 121         list_for_each_entry(pos, &notes->src->source, node) {
 122                 GtkTreeIter iter;
 123                 int ret = 0;
 124
 125                 gtk_list_store_append(store, &iter);
 126
 127                 if (perf_evsel__is_group_event(evsel)) {
 128                         for (i = 0; i < evsel->nr_members; i++) {
 129                                 ret += perf_gtk__get_percent(s + ret,
 130                                                              sizeof(s) - ret,
 131                                                              sym, pos,
 132                                                              evsel->idx + i);
 133                                 ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 134                         }
 135                 } else {
 136                         ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 137                                                     evsel->idx);
 138                 }
 139
 140                 if (ret)
 141                         gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 142                 if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 143                         gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 144                 if (perf_gtk__get_line(s, sizeof(s), pos))
 145                         gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 146         }
 147
 148         gtk_container_add(GTK_CONTAINER(window), view);
 149
 150         list_for_each_entry_safe(pos, n, &notes->src->source, node) {
 151                 list_del(&pos->node);
 152                 disasm_line__free(pos);
 153         }
 154
 155         return 0;
 156 }
 157
 158 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 159                                 struct perf_evsel *evsel,
 160                                 struct hist_browser_timer *hbt)
 161 {
 162         GtkWidget *window;
 163         GtkWidget *notebook;
 164         GtkWidget *scrolled_window;
 165         GtkWidget *tab_label;
 166         int err;
 167
 168         if (map->dso->annotate_warned)
 169                 return -1;
 170
 171         err = symbol__disassemble(sym, map, perf_evsel__env_arch(evsel), 0);
 172         if (err) {
 173                 char msg[BUFSIZ];
 174                 symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
 175                 ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
 176                 return -1;
 177         }
 178
 179         if (perf_gtk__is_active_context(pgctx)) {
 180                 window = pgctx->main_window;
 181                 notebook = pgctx->notebook;
 182         } else {
 183                 GtkWidget *vbox;
 184                 GtkWidget *infobar;
 185                 GtkWidget *statbar;
 186
 187                 signal(SIGSEGV, perf_gtk__signal);
 188                 signal(SIGFPE,  perf_gtk__signal);
 189                 signal(SIGINT,  perf_gtk__signal);
 190                 signal(SIGQUIT, perf_gtk__signal);
 191                 signal(SIGTERM, perf_gtk__signal);
 192
 193                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 194                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 195
 196                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 197
 198                 pgctx = perf_gtk__activate_context(window);
 199                 if (!pgctx)
 200                         return -1;
 201
 202                 vbox = gtk_vbox_new(FALSE, 0);
 203                 notebook = gtk_notebook_new();
 204                 pgctx->notebook = notebook;
 205
 206                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 207
 208                 infobar = perf_gtk__setup_info_bar();
 209                 if (infobar) {
 210                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
 211                                            FALSE, FALSE, 0);
 212                 }
 213
 214                 statbar = perf_gtk__setup_statusbar();
 215                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 216
 217                 gtk_container_add(GTK_CONTAINER(window), vbox);
 218         }
 219
 220         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 221         tab_label = gtk_label_new(sym->name);
 222
 223         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 224                                        GTK_POLICY_AUTOMATIC,
 225                                        GTK_POLICY_AUTOMATIC);
 226
 227         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 228                                  tab_label);
 229
 230         perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
 231         return 0;
 232 }
 233
 234 int hist_entry__gtk_annotate(struct hist_entry *he,
 235                              struct perf_evsel *evsel,
 236                              struct hist_browser_timer *hbt)
 237 {
 238         return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
 239 }
 240
 241 void perf_gtk__show_annotations(void)
 242 {
 243         GtkWidget *window;
 244
 245         if (!perf_gtk__is_active_context(pgctx))
 246                 return;
 247
 248         window = pgctx->main_window;
 249         gtk_widget_show_all(window);
 250
 251         perf_gtk__resize_window(window);
 252         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 253
 254         gtk_main();
 255
 256         perf_gtk__deactivate_context(&pgctx);
 257 }